While console and dedicated handheld systems are well represented at E3 — and games for mobile phones have a moderate presence — there are very few social network gaming companies at the show. And given the growing size of that segment of the industry, that's a major hole.

Microsoft is intensifying its efforts to appeal to both core gamers and non-gamers, announcing two new titles in its blockbuster "Halo" franchise Monday and plans to integrate live TV into the console.

Ignition Entertainment is finishing work on "El Shaddai: Ascension of the Metatron," based on the Book of Enoch, an ancient text that, while not a part of either the Jewish or Christian canon, is printed in the Dead Sea Scrolls.